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Law enforcement and others seeking clues into the mind of what now appears to be a serial bomber say the latest explosive incident on Sunday night, the city’s fourth over 17 days, provided more trail crumbs than definitive signposts pointing toward a potential suspect.

Austin interim Police Chief Brian Manley has said preliminary indications are that the newest bomb is similar enough in construction to be connected to the previous three. That doesn’t necessarily mean all were manufactured and planted by the same person.

The first is that the new form of detonation indicates the person making the explosive has a higher level of skill or sophistication, said Fred Milanowski, the Bureau of Alcohol, Tobacco, Firearms and Explosives’ special agent in charge of the Houston field division.

The earlier bombs, which were hidden in packages, appear to have been detonated by movement devices, which would complete a circuit when the package was lifted or tilted, experts said. The latest incident means that investigators now must contemplate a bomber capable of using multiple methods to start an explosion, perhaps even by timer or remote control.

A trip wire, which typically works by stringing a taut string across a pathway, detonates a bomb when a person pushes into it. Stringing a wire across or near a route used by multiple people could introduce a new element of randomness to the attacks, said James R. Fitzgerald, a former FBI profiler who worked on the Unabomber case.

Employing a detonating device that doesn’t target any particular person would indicate a dangerous capriciousness and callousness, he said — the bomber “wants to strike out at some perceived wrong, and anyone

By mixing his targets — from specific people who receive a package on their porch to anyone who stumbles by — the bomber could be trying to spread general fear and unease throughout the city, Fitzgerald said.

Or he might be purposefully trying to distract from his real intention.

That was the case when, in December 1989, an Atlanta attorney named Robert Robertson was killed when he opened a brown package he received at home. Investigators at first thought his death was connected to a virtually identical fatal bomb detonated at the house of federal Judge Robert Vance two days earlier. But they later learned Walter Moody had killed Robertson as misdirection.

Zachary Cruz, 18, told deputies he went to the campus to “reflect on the school shooting and soak it in,” according to the arrest report.

The sheriff’s office said he rode his skateboard through the campus, passing all locked doors and gates. Deputies said he was previously warned by school officials to stay away from the campus.

The sheriff’s office said Zachary Cruz has no connections to Broward County at this time. Before the shootings, he lived with his brother and family friend, Rocxanne Deschamps, in a Lantana-area mobile home.

Nikolas Cruz, 19, is charged in a 34-count indictment with killing 17 people and wounding 17 others. He is being held without bail at the Broward County Jail after the Feb. 14 school shooting that left 14 students and three adults dead.

After the fatal shootings, Zachary Cruz was put under a mental-health evaluation. He told investigators that as he drove home with Deschamps after he heard about the shootings he said, "I don't want to be alive. I don't want to deal with this stuff."

Elvis Presley may have passed away more than 40 years ago, but the life that he lived continues to fascinate people across the globe.

As fans know, during his final years, Elvis was deeply addicted to prescription drugs. His ex-wife, Priscilla Presley, is now opening up about the unfortunate addiction that sadly led to the late musical icon’s tragic death in 1977.

According to Fox News, Priscilla, who helped produce a documentary that honors the King called “Elvis Presley: The Searcher,” spoke about her ex-husband’s issue with substance abuse during the movie’s debut at the South by Southwest Film Festival (SXSW) in Austin, Texas, on March 14.

“It was difficult for all of us. We certainly didn’t see it coming,” she said of Elvis’ unfortunate passing at the age of 42. “But we certainly saw the journey he was taking.”

She also added, “People go, ‘Well, why didn’t anyone do anything?’ Well, that’s not true. People there in the inner group did, but you did not tell Elvis Presley what to do. You did not. I mean, you’d be out of there faster than a scratched cat. They would try and no way. He knew what he was doing.”

Elvis and Priscilla met in 1959 while he was serving in the U.S. Army. During the candid discussion at SXSW, Priscilla also noted that he started taking pills when he was stationed in Germany.

“They gave them to the soldiers over there to keep them awake,” she said. “He was on guard at that time. He had maneuvers that he had to do late at night, so the pills were given to the guys, and that’s how he started. And if you take a sleeping pill, you have to do something to get yourself awake … He was in unchartered territory, he truly was, and he did this and tried to do this alone.”

Fans can learn more about the late star in “Elvis Presley: The Searcher.” The documentary, which chronicles his creative journey from early childhood through his final recording session, held in the famous Jungle Room of his Graceland estate in Memphis, Tennessee, premieres April 14 on HBO.

Amanda Nalley said her suspicion about uncollected mail led her to check with a neighbor and then call 911.

"I left his mail on the door knob. Tuesday, when I came back, I knew something was wrong because the mail hadn't been picked up," Nalley said.

Nalley, who has delivered mail on the same route for 13 years, told WSB-TV that one of her customers, Rodney Garner, looked forward to her arrival every day and usually waved out the window.

When she realized that Garner had not greeted her or answered his door for two days, she worried something may have happened to him.

And she was right.

Forsyth County sheriff's deputies and EMTs found the 84-year-old man barely conscious on the floor of his bedroom.

They believe he had been in the same location for two days.

"They said he might have had a heart attack or seizure. He was not responding well. His eyes were open a little bit. They said if he had been there another hour he would have passed away," Nalley said.

He said he had slipped while cleaning the floor in house.

"I just hit the floor and that was it," Garner said.

He said that the staff at Northside Hospital Forsyth was taking good care of him and he looked forward to thanking Nalley in person for all her help.

As federal, state and local authorities in Texas deal with a string of deadly bombings in Austin, residents in Alabama and Georgia are reminded of a similar terror that arrived under the name of Eric Robert Rudolph.

Rudolph’s reign of terror began at Atlanta’s Centennial Olympic Park, where the 1996 Olympic Summer Games were underway. Revelers were enjoying the festive atmosphere when, around 1:20 a.m. on July 27, an explosion rocked the park.

The Atlanta Journal-Constitution reported on the 20th anniversary of the bombing that security guard Richard Jewell, who was having trouble with rowdy college kids, went for backup and found Georgia Bureau of Investigation agent Tom Davis. When they returned to the area where the kids had been, Jewell spotted an abandoned backpack.

Bomb specialists they called in to deal with the backpack took a look -- and ordered them to evacuate the area immediately, the Journal-Constitution reported. Jewell, Davis and other law enforcement officers cleared the area, including a nearby TV camera tower.

That’s when the bomb exploded.

“It was just a huge explosion,” Davis told the Journal-Constitution in 2016. “A very loud explosion and a lot of heat. It forced me to the ground. I just saw people laying everywhere, many of them screaming and hurt severely.”

Davis was one of the more than 100 who were injured by shrapnel from the bomb. Nearby, he could see the body of Alice Hawthorne, a 44-year-old mother from Albany who had traveled to Atlanta with her daughter to see the games.

The second person who died that night was Melih Uzunyol, a Turkish journalist who suffered a fatal heart attack as he rushed to the scene, the Journal-Constitution reported.

Jewell, who is now considered a hero for saving the lives of more than two dozen people, was initially considered a suspect in the case. Though he was cleared about three months after the bombing, the cloud of suspicion hung over his head until Rudolph’s arrest.

Jewell died of a heart attack in 2007 at age 44.

Rudolph, who years later issued a detailed manifesto outlining his anti-abortion, anti-gay beliefs, next bombed an abortion clinic in January 1997 in the Atlanta suburb of Sandy Springs. About a month later, he bombed an Atlanta lesbian bar, the Otherside Lounge, injuring five of the patrons there.

In both of those bombings, Rudolph had planted secondary bombs timed to detonate after police and emergency personnel had arrived, the New York Times reported at the time. In the Sandy Springs bombing at Atlanta Northside Family Planning Services, it was the second bomb that injured six people, including detectives and reporters covering the first explosion.

Police investigating the bombing at the Otherside Lounge found the second bomb in a backpack in the parking lot, the Times reported. The Atlanta Police Department’s bomb squad used a robot to detonate the device.

Rhonda Armstrong, a bartender at the club, told the Times a few days after the bombing that patrons at first thought someone had shot a woman there.

His final bombing took place Jan. 29, 1998, at New Woman All Women Health Care in Birmingham, where he left a FedEx box packed with dynamite and nails in some bushes near the entrance. As nurse Emily Lyons arrived for work around 7:30 a.m. that morning, she and clinic security guard Robert “Sandy” Sanderson -- also an off-duty Birmingham police officer -- spotted the package.

As soon as Sanderson touched the package, it exploded, sending shrapnel through his body and killing him instantly, according to AL.com. Lyons survived the blast, but lost an eye and was left with chronic injuries and pain.

The bombing was the first fatal bombing of an abortion clinic in the United States.

It was in Birmingham that Rudolph finally slipped up. He used a remote device to detonate the bomb, watching from a distance the explosion that killed Sanderson and maimed Lyons.

A University of Alabama in Birmingham student who felt his dormitory shake from the blast ran outside. That alert pre-med student, Jermaine Hughes, noticed the sort of odd behavior that, decades later, would help federal investigators pin down the Boston Marathon bombers.

As everyone within blocks of the explosion ran toward the devastation, Rudolph walked in the opposite direction.

Suspicious, Hughes jumped into his car and drove around Rudolph, who was on foot, to get a good look at his face. Then he ran into a nearby McDonald’s and called police, the Los Angeles Times reported.

Jeff Tickal, a lawyer in Birmingham from Opelika, was there eating breakfast when he heard Hughes urging the dispatcher to send help. When he also spotted Rudolph, Tickal began following him.

Seeing Rudolph disappear into some woods, Tickal got in his own car and began looking for the suspicious man. By happenstance, he found the road where Rudolph had hidden his truck and watched as Rudolph emerged from the woods.

Tickal followed him when he drove away, writing Rudolph’s license plate number on his coffee cup from breakfast, the Los Angeles Times reported. He pulled up beside Rudolph at a light and got a look at his face.

When the light turned green, Rudolph drove on and Tickal sought out a police officer. By that time, Hughes had also spotted Rudolph behind the wheel and jotted down the truck’s license plate number on an envelope he had in his car.

Richard D. Schwein Jr., who in 2014 retired from the FBI as the special agent in charge of the Birmingham division, told AL.com in 2013 that identifying Rudolph underscored the importance of those witnesses.

“This kid saw Rudolph as an anomaly, much like (in) the Boston bombings,” Schwein said. “Everybody else was going in one direction; this guy was going in another direction. Everybody else was kind of in a panic and he was calm. And the witness thought right away, ‘This has got to be the bomber,’ and followed him.”

Law enforcement descended on Rudolph’s North Carolina home, but he was nowhere to be found. He was soon on the FBI’s 10 Most Wanted list, but it would be another five years before the avid outdoorsman and survivalist, who vanished in the mountains, would be captured.

The Bureau of Alcohol, Tobacco, Firearms and Explosives said it was ultimately a small-town police officer who brought one of the largest manhunts in U.S. history to an end. Jeff Postell, a 21-year-old rookie on the Murphy, North Carolina, police force was on patrol around 3 a.m. May 31, 2003, when he spotted a man rummaging for food in a dumpster behind a grocery store.

Though the man, later identified as Rudolph, tried to hide, he was taken into custody.

Rudolph pleaded guilty to all four bombings in April 2005 to avoid the death penalty, the New York Times reported. He was sentenced to four life sentences without the possibility of parole.

He remained unrepentant for his actions and, in a statement before the court, called his violent acts against abortion providers a “moral duty.”

“As I go to a prison cell for a lifetime, I know that ‘I have fought a good fight, I have finished my course, I have kept the faith,’” Rudolph said, quoting scripture.

Rudolph is housed at the Florence Supermax federal prison in Colorado, sometimes called the “Alcatraz of the Rockies.” He self-published his autobiography, “Between the Lines of Drift: The Memoirs of a Militant,” with help from his brother in 2013.

Rudolph is unable to receive any proceeds or otherwise benefit from his crimes.

Through an analysis of 259 water bottles from 11 brands sold across nine countries, including the United States, scientists found 93 percent were contaminated with an average of 10.4 plastic particles per liter of water. That’s twice the amount of contamination typically found in tap water.

Major brand names such as Aquafina, Dasani, Evian, Nestle Pure Life and San Pellegrino were among the water bottles tested.

But the effects of these chemicals on human health, scientists say, are still unclear.

“As much as 90% of ingested plastic could pass through a human body, but some of it may end up lodged in the gut, or traveling through the lymphatic system, according to research by the European Food Safety Authority,” Time reported.

Previous research has linked synthetic chemicals often found in plastic to “certain kinds of cancer to lower sperm count to increases in conditions like ADHD and autism,” Mason said, prompting calls for further studies on the possible health implications of plastics pollution.

Its colors, which changed with the twirl of a straw, made it an instant hit on Instagram. It was followed by the Dragon Frappuccino, sparked by creative baristas who were out of ingredients to make the elusive Unicorn, and the Zombie Frappuccino around Halloween.

Teen Vogue reported that like the Unicorn Frap, Starbuck’s latest creation will also be optimized to make a stir on Instagram. Though the look and taste is not yet known, Business Insider reported the cream-based drink will utilize peach flavors.

According to baristas who couldn’t wait to experiment and post their photos to Instagram, the Crystal Ball Frappucino appears to include marbled turquoise hues with whipped cream and a crunchy, crystal-like topping.

No matter what the flavor, the look is sure to be eye-catching.

Whether another social media whirlwind is in Starbucks’ future has yet to be revealed.

Participants in the first group (Bdiet) ate three meals: a large breakfast, medium-sized lunch and small dinner. Those in the second group (6Mdiet) consumed six small meals evenly spaced throughout the day, a diet often recommended for traditional diabetes management and weight loss.

Researchers examined participants’ overall glucose levels for 14 days at baseline, during the first two weeks on a diet and at the end of the study.

After three months, they found that participants in the Bdiet group lost 11 pounds. Those in the 6Mdiet group actually averaged a 3-pound gain after three months.

Researchers also noted that members of the Bdiet group needed significantly less insulin and had significantly fewer carbohydrate cravings compared to the 6Mdiet group.

Additionally, just two weeks into the study, the scientists noticed a significant reduction of overall glycemia on the Bdiet when participants had nearly the same weight as at baseline. This suggested that “a diet with adequate meal timing and frequency has a pivotal role in glucose control and weight loss,” lead study author Daniela Jakubowicz, a professor of medicine at Israel’s Tel Aviv University, said in a news release.

"This study shows that, in obese insulin-treated type 2 diabetes patients, a diet with three meals per day, consisting of a big breakfast, average lunch and small dinner, had many rapid and positive effects compared to the traditional diet with six small meals evenly distributed throughout the day: better weight loss, less hunger and better diabetes control while using less insulin," Jakubowicz said.

"The hour of the day — when you eat and how frequently you eat — is more important than what you eat and how many calories you eat," she added. "Our body metabolism changes throughout the day. A slice of bread consumed at breakfast leads to a lower glucose response and is less fattening than an identical slice of bread consumed in the evening."

A variety of things, according to a forensic psychiatrist who has studied some of the worst killers society has ever seen.

According to Dr. Michael Welner, a leading forensic psychiatrist and chairman of The Forensic Panel, a person (almost always a male) who would set a bomb to kill someone is interested in “spectacle through destruction,” hoping that news cameras are rolling following the explosion.

Welner is a clinical professor of psychiatry at Mount Sinai School of Medicine and is the developer of the Depravity Standard (www.depravitystandard.org ), which delineates traits of the worst of murderers. The Forensic Panel is a practice that works on complex homicides around the United States.

We asked Welner to explain the influences behind what may drive a serial bomber and the traits most common to bombers.

Q: Are there traits common to serial bombers?

A: Male, detail-oriented, motivated by spectacle through destruction as opposed to merely destructiveness. He takes pride in abilities and planning, is socially isolated and quiet, and feels himself as unsuccessful in intimacy. He has a keen awareness of media and its tendencies in reporting.

Q: Have you seen anything in the coverage of these bombings that would be helpful in identifying the bomber?

A: The most important aspect of coverage is to enlist the community to be vigilant and to watch their communities, film with their smart phones to capture the out-of-the-ordinary, and to report what is suspicious. Serial violent offenders are often identified by tips from people who spotted something or someone who does not add up.

Also, the more vigilant a community is to catching such a perpetrator, the harder it is for such an offender to attack without being identified. And the serial bomber does not want to be caught. It is best to keep the focus on the initiatives and collectiveness of a community to work together.

Q: A different bomb trigger – a tripwire – was used in the bombing on Sunday night. The first three attacks involved suspicious packages left on doorsteps. The bomb in the package that exploded Sunday was left on the side of a road. Would a bomber “stick to his script” and not change the way he delivered bombs, or would you be concerned that there was a “copycat: bomber who put the latest bomb by the side of the road?

A: Both are possibilities. … Historically, a serial bomber with a passion and training in explosives will be able to shift methods to take advantage of materials available and opportunities to offend without being caught.

Q: Police said the bomber is trying to “send a message.” Do serial bombers want to send a message generally, or are they only interested in destruction and murder?

A: Bombers create a spectacle to draw attention. They may be motivated to draw attention to themselves and their power to hold a community in fear, or may attach to a cause to draw attention to it. The key point is that a spectacle killer is destructively motivated even before the crimes begin, but attaches to a cause that he thinks justifies violence.

Q: The first victims were African American and Hispanic. Do you think the bomber is targeting only those groups? Is that something a serial bomber generally does, or are victims randomly chosen?

A: Those who have chosen to bomb, pick targets for their own reasons. The rationale may or may not make sense to the rest of us. But it makes sense to them. If ethnicities are targeted, it may be driven by a desire to instigate violent race conflict, as Joseph Paul Franklin (a serial killer who, in addition to murdering several people, also shot and wounded businessman Vernon Jordan and Hustler magazine publisher Larry Flynt) told me he intended when I interviewed him. Likewise, since spectacle murderers are attempting to manipulate the media as much as anything, the bomber and whomever is assisting him may be attempting to manipulate a news cycle by staging violence that inflames racial divisions, or what some call a “false flag.”

The U.S. electrical grid is highly complex with some 3,300 utility companies that work together to deliver power through 200,000 miles of high-voltage transmission lines. The nation also has 55,000 electrical substations and 5.5 million miles of distribution lines that power millions of homes and businesses, according to a report last year.

Just how vulnerable is the U.S. to a cyberattack on its critical infrastructure, like the power grid?

In April of 2017, the Council on Foreign Relations released a report on the vulnerability of the U.S. power grid. Because of the importance of electricity to the smooth functioning of society and because of the critical nature of power to the 16 sectors of the U.S economy that make up what’s considered critical infrastructure, a significant attack on the grid could cause serious damage in the U.S., if it were to happen. “Any of the system’s principal elements – power generation, transmission or distribution – could be targeted for a cyberattack,” the agency said.

Here are 5 things to know:

1- The U.S. power grid has long been considered a target for a major cyberattack; however “carrying out a cyberattack that successfully disrupts grid operations would be extremely difficult, but not impossible,” according to the Council on Foreign Relations’ report.

2- The U.S. power grid was built for “reliability and safety” and is fairly easy to defend. During winter weather or a hurricane for example, U.S. power crews are good at anticipating problems and can generally move away from computers to manual operations, cyber security expert Robert M. Lee said in an interview with Scientific American magazine.

3- Because of computer technology and the growing interconnectedness of the digital landscape, and because returning to manual operations is growing more difficult, Lee said that there is cause for concern. “Our adversaries are getting much more aggressive. They’re learning a lot about our industrial systems, not just from a computer technology standpoint but from an industrial engineering standpoint, thinking about how to disrupt or maybe even destroy equipment. That’s where you start reaching some particularly alarming scenarios,” Lee told Scientific American.

4- The director of the National Security Agency, Adm. Michael Rogers, in testimony before Congress in 2014, said that China and a few other countries likely had the capability to shut down the U.S. power grid. “Rapid digitization combined with low levels of investment in cybersecurity and a weak regulatory regime suggest that the U.S. power system is as vulnerable - if not more vulnerable - to a cyberattack as systems in other parts of the world,” officials with the Council on Foreign Relations said.

5- A cyberattack on the U.S. electric grid could cause power losses in large parts of the United States that could last days or up to several weeks in some places, and it would cause a substantial economic impact, the Council on Foreign Relations reported. The report found the U.S. needs to work to put in place measures to prevent a cyberattack on the power grid, and to find ways to lessen the potentially catastrophic impact should one occur.

How can a two-hour treatment for a bee sting end up costing a patient $12,000? Prices can soar when the patient goes through a barrage of tests and insurance doesn’t cover the bill, but Sylvia Rosas’ case is shining a light on the cost of health care in the country.

It all started with a simple bee sting in her yard in Florida. Rosas had allergic reactions to stings in the past, but didn’t have an EpiPen, so she went to the emergency room, CNN Money reported. Several doctors looked at her sting and ordered blood tests and an EKG to ensure she wouldn’t have a reaction. The visit, which took less than two hours, happened to be at an out-of-network hospital, so her insurance wouldn’t cover it. Rosas had to pay the bill out of pocket.

Now, she’s second-guessing when she needs to see a doctor so she won’t wind up with the bill later.

He twisted his ankle. After trying to treat it at home to no avail, he went to his local emergency room, on his own crutches, and was seen by a physician assistant. Brown had an X-ray done on him and was given a splint and a prescription, with a suggestion to see a specialist for the fracture.

He was billed $2,600 for the ER visit. Then, he received a separate bill for $5,700 from the doctor’s office. Insurance paid half of the ER bill, but denied the doctor’s charges because the person who saw him was out-of-network.

Brown said that if he would have known that the bill wouldn’t be covered, he would have waited a few days longer to see someone else.

The amount billed by the hospital usually covers the facility fee and some tests and services, CNN Money reported. But it usually doesn’t include the cost patients incur for actually seeing a doctor, which is usually billed separately.

The big question is: Why does it cost so much?

Emergency rooms are seeing more patients, and those patients have severe medical problems.

People with cuts and fevers will more likely go to urgent care locations. Patients with chest pain and those suffering from asthma attacks are seen in emergency rooms, and those conditions are more expensive to treat, CNN Money reported.

Emergency rooms also have access to expensive equipment, like CT scans and MRIs.

So where does that leave patients who need care, but don’t want to gamble with their finances?

First, experts told CNN Money that patients don’t need to sign paperwork with the ER that promises to pay in full just to be seen. Federal law says ERs have to screen and stabilize anyone who comes in.

Second, if you’re stuck with a bill, speak with the health care providers. Prices can be negotiable, CNN Money reported. A professor of surgery and health policy at Johns Hopkins University found that hospitals mark up some services as much as 340 percent more than Medicare allowances.

“Prices are highly fluctuant and often negotiable,” Martin Makary told CNN Money. “As with new cars, people are not expected to pay the sticker price.”

Austin police sent its bomb squad out to the Fair Market Venue, where the concert was scheduled, and used bomb-sniffing dogs to sweep the area. Neither Austin police dogs or Travis County Sheriff’s Office dogs found any sign of an explosive device.

He was the registered account holder of the Gmail account and had already been investigated by Austin police in February for making threats against eBay employees from the same email address, according to authorities.

The threats began on Feb. 16 and included messages like “I hope you die in a horrible car crash,” “(Expletive) you. You will die slow,” and “I have 10k on everyone’s head in the Austin office,” the affidavit said.

Police and federal agents continue to investigate the four bomb explosions in Austin this month that killed two people and wounded four others.At a press conference Monday, after the fourth bomb exploded injuring two men, law enforcement authorities asked the bomber to contact them and let them know what message he is trying to send, assuring him that they are “listening.”

The bombings began March 2 when a package exploded on the front porch of the home of Anthony Stephan House, 39, killing him. The second attack happened March 12 when a bomb in a package was taken into the home of Draylen Mason, 17. The package exploded, killing Mason, and injuring his mother.

The third bomb exploded when a 75-year-old Hispanic woman picked up a package on her front porch. She was seriously injured.On Sunday, two men were hurt when a bomb went offapparently after one of the two hit a tripwire attached to the explosive device.

Authorities are operating under the assumption that the bombs were made by the same person.

Here is what we know about the Austin bomber’s habits:

Prior to the explosion Sunday, the three bombs were left in packages at homes.

Sunday’s bomb was tripwire-activated.

Sunday’s bomb was in a different geographical area than the other three bombs.

The victims of the first three bombings were African-American and Hispanic. Sunday night’s victims were white.

Fred Burton, a security and terrorism analyst at Austin-based Stratfor, told the Austin American-Statesman that he believes it is the same person doing the bombing. He may have changed bombing locations and methods to throw investigators off, Burton said.

Common household items were used to construct the first three bombs, the American-Statesman reported.

If you have a list of Marvel movies to watch before “Avengers: Infinity War,” AMC Theaters has you covered.

According to The Hollywood Reporter, the movie theater company is hosting a 12-film Marvel Cinematic Universe marathon on April 25. The 31-hour marathon will be at AMC Empire 25 in New York and AMC Disney Springs 24 in Orlando, Florida.

Dairy Queen’s website said various locations will be giving away free small vanilla ice cream cones Tuesday. The promotion is limited to one cone per person and will be honored at all non-mall locations, company officials said.

A list of participating locations can be found on Dairy Queen’s website.

Kaczynski, known as the Unabomber, was blamed for three deaths and 23 injuries when he mailed 16 bombs to universities and airlines over the course of 17 years from 1978-1995.

In June 1995, he sent his manifesto to The New York Times and The Washington Post, saying he would stop the bombings if it was published. The Washington Post published the 35,000-word manifesto on Sept. 22, 1995.

Here are a few iterations of coverage of the Unabomber.

“Unabomber: The True Story”

In 1996 “Unabomber: The True Story” aired on USA Network. The TV film starred Tobin Bell as Kaczynski.

In 2016, David Kaczynski, the younger brother of Ted Kaczynski, published a memoir in which he recounted growing up with the person who became the Unabomber and ultimately turning him in. In the book, David Kaczynski says that his wife, Linda Patrik, was the one who first became suspicious that her brother-in-law was the Unabomber.

The eight-part series attempts to explain why Ted Kaczynski, a mathematician, began a letter bomb campaign. The Unabomber is played by Paul Bettany. Mark Duplass plays David Kaczynski.

“This is a guy who mails bombs to people he’s never met,” series co-writer and executive producers Andrew Sodroski said of the series. “At the same time he’s a victim too. He was a little boy with a bright future ahead of him, and then something happened.”